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Unregister drivers on library deinitialization
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@ -32,6 +32,7 @@
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#include "psa_crypto_core.h"
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#include "psa_crypto_invasive.h"
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#include "psa_crypto_se.h"
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#include "psa_crypto_slot_management.h"
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/* Include internal declarations that are useful for implementing persistently
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* stored keys. */
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@ -5211,6 +5212,9 @@ void mbedtls_psa_crypto_free( void )
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* In particular, this sets all state indicator to the value
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* indicating "uninitialized". */
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mbedtls_platform_zeroize( &global_data, sizeof( global_data ) );
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/* Unregister all secure element drivers, so that we restart from
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* a pristine state. */
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psa_unregister_all_se_drivers( );
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}
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psa_status_t psa_crypto_init( void )
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@ -27,6 +27,8 @@
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#if defined(MBEDTLS_PSA_CRYPTO_C)
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#include <string.h>
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#include "psa_crypto_se.h"
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typedef struct
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@ -69,4 +71,9 @@ psa_status_t psa_register_se_driver(
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return( PSA_SUCCESS );
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}
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void psa_unregister_all_se_drivers( void )
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{
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memset( driver_table, 0, sizeof( driver_table ) );
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}
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#endif /* MBEDTLS_PSA_CRYPTO_C */
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@ -34,4 +34,12 @@
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/** The maximum number of registered secure element driver lifetimes. */
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#define PSA_MAX_SE_DRIVERS 4
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/** Unregister all secure element drivers.
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*
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* \warning Do not call this function while the library is in the initialized
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* state. This function is only intended to be called at the end
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* of mbedtls_psa_crypto_free().
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*/
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void psa_unregister_all_se_drivers( void );
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#endif /* PSA_CRYPTO_SE_H */
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